Home / 167,763.04-231,437.59-99,742.95

Finding the Fourth Proportional to 167,763.04, 231,437.59 and 99,742.95

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Solution

The fourth proportional to 167,763.04, 231,437.59 and 99,742.95 is: 137,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,763.04 : 231,437.59 = 99,742.95 : x
  2. Step 2: Convert to fraction form
    167,763.04/231,437.59 = 99,742.95/x
  3. Step 3: Cross multiply
    167,763.04x = 231,437.59 × 99,742.95
  4. Step 4: Simplify right side
    167,763.04x = 23,084,267,718.13
  5. Step 5: Solve for x
    x = 23,084,267,718.13/167,763.04
  6. Step 6: Final answer
    x = 137,600.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.